Finding the Fourth Proportional to 959,119.21, 1,323,106.81 and 669,338.47
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Solution
The fourth proportional to 959,119.21, 1,323,106.81 and 669,338.47 is: 923,353.72
Step by Step Solution
- Step 1: Write the proportion equation
959,119.21 : 1,323,106.81 = 669,338.47 : x - Step 2: Convert to fraction form
959,119.21/1,323,106.81 = 669,338.47/x - Step 3: Cross multiply
959,119.21x = 1,323,106.81 × 669,338.47 - Step 4: Simplify right side
959,119.21x = 885,606,287,851.98 - Step 5: Solve for x
x = 885,606,287,851.98/959,119.21 - Step 6: Final answer
x = 923,353.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.